0
Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Sign in to save

Short-term physiological and biometrical responses of Lepidium sativum seedlings exposed to PET-made microplastics and acid rain

Ecotoxicology and Environmental Safety 2020 77 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 50 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Sara Pignattelli, Sara Pignattelli, Manuela Piccardo, Manuela Piccardo, Manuela Piccardo, Manuela Piccardo, Manuela Piccardo, Manuela Piccardo, Manuela Piccardo, Manuela Piccardo, Manuela Piccardo, Sara Pignattelli, Sara Pignattelli, Sara Pignattelli, Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Serena Felline, Monia Renzi Andrea Broccoli, Andrea Broccoli, Manuela Piccardo, Serena Felline, Monia Renzi Manuela Piccardo, Monia Renzi Antonio Terlizzi, Monia Renzi Sara Pignattelli, Andrea Broccoli, Antonio Terlizzi, Monia Renzi Antonio Terlizzi, Antonio Terlizzi, Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Sara Pignattelli, Sara Pignattelli, Manuela Piccardo, Manuela Piccardo, Manuela Piccardo, Andrea Broccoli, Monia Renzi Monia Renzi Monia Renzi Serena Felline, Manuela Piccardo, Monia Renzi Monia Renzi Monia Renzi Antonio Terlizzi, Monia Renzi Antonio Terlizzi, Antonio Terlizzi, Monia Renzi Sara Pignattelli, Monia Renzi Antonio Terlizzi, Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Andrea Broccoli, Sara Pignattelli, Monia Renzi Monia Renzi Antonio Terlizzi, Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Sara Pignattelli, Monia Renzi Monia Renzi Monia Renzi Sara Pignattelli, Sara Pignattelli, Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Antonio Terlizzi, Monia Renzi Monia Renzi Monia Renzi Monia Renzi Monia Renzi Antonio Terlizzi, Monia Renzi

Summary

Lepidium sativum seedlings treated with PET microplastics (different sizes) and acid rain showed size-dependent growth inhibition and oxidative stress responses; combined exposure to PET and acid rain produced additive or synergistic effects on germination inhibition and plant biomass.

Polymers

Plastics enter in terrestrial natural system primarily by agricultural purposes, while acid rain is the result of anthropogenic activities. The synergistic effects of microplastics and acid rain on plant growth are not known. In this study, different sizes of polyethylene terephthalate (PET) and acid rain are tested on Lepidium sativum, in two separate experimental sets. In the first one we treated plants only with PET, in the second one we used PET and acid rain together. In both experimentations we analyzed: i) plant biometrical parameters (shoot height, leaf number, percentage inhibition of seed germination, fresh biomass), and ii) oxidative stress responses (hydrogen peroxide; ascorbic acid and glutathione). Results carried out from our experiments highlighted that different sizes of polyethylene terephthalate are able to affect plant growth and physiological responses, with or without acid rain supplied during acute toxicity (6 days). SHORT DESCRIPTION: This study showed that different sizes of PET microplastics affect physiological and biometrical responses of Lepidum sativum seedlings, with or without acid rain; roots and leaves responded differently.

Sign in to start a discussion.

Share this paper